Created
March 15, 2019 13:20
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| export function compose(...fns) { | |
| const [fn0, ...rest] = fns.reverse(); | |
| return (...args) => rest.reduce((acc, fn) => fn(acc), fn0(...args)); | |
| } | |
| export function mapValue(obj, fn) { | |
| return Object.keys(obj).reduce((acc, key) => { | |
| acc[key] = fn(obj[key]); | |
| return acc; | |
| }, {}); | |
| } | |
| export function disperse(obj, fn) { | |
| return typeof obj !== 'object' ? fn(obj) : mapValue(obj, v => disperse(v, fn)); | |
| } | |
| // | |
| state = { | |
| ...S.init(640, 480)(), | |
| actions: disperse(S, a => compose(this.setState, a)) | |
| } |
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